Invitation to FORTH

Chapter 0 The FORTH Concept 1
       Calculators and FORTH 3
       Mathematical Notation 3
       Operational Environment 5
       The Stack 5
       FORTH Operations 6
       Execution Mode 7
       Definition Mode 8
       Additional FORTH Capability 9
       Vocabulary 10
       Exercises 10
Chapter 1 Computer Fundamentals 13
       Computer Philosophy 15
       Computer Memory 17
       Hardware Software and Firmware 19
       Microcomputer Systems Organization 20
       Microprocessor Organization and
         Operation 21
       Stack Operation 27
       Disk Storage Technology 30
       Vocabulary 32
       Exercises 33
Chapter 2# Software Technology 35
       Reasons for Usin Software 37
       Categories of Software 37
       The Concept of an Algorithm 38
       The Concept of a Program 40
       Assembler Lanuae 40
       Programming Lan^uasfes 41
       Proafram Structure 45
       Lansfuatfe Processors 46
       Assembler Programs 48
        Compiler Programs 48
        Interpreter Programs 50
        Monitors and Operating Systems 51
        Utility Systems 53
        Development Systems 54
        Vocabuary 56
        Exercises 56
Chapter 3 Reverse Polish Notation 57
        Mathematical Forms 59
        Structure of Expressions 61
        Conversion Between Infix Notation and
          Postfix Notation 67
        Interpretive Execution of Infix
          Notation 71
        Vocabulary 73
        Exercises 73
Chapter 4» Elementary Calculations and Stack
             Manipulation 75
        FORTH Words 77
        Punctuation 78
        Looking at the Stack 78
        Elementary Arithmetic Operations 79
        Number Bases 84
        Stack Manipulation Operations 86
        Mathematical Functions 91
        Complement Arithmetic 95
        Vocabulary 100
        Exercises 100
Chapter 5# Constants Variables and Memory
             Operations 103
        Constants 105
        Variables 106
        Fetch Operation 107
        Store Operation 109
       Add to Memory 110
        The Dictionary 111
        Vocabulary 115
        Exercises 115
Chapter 6« Definitions and Terminal
             Operations 117
        Colon Definitions 119
        Comment Lines 120
        Dot Operation 122
        Dot-R Operation 123
        Carriage Return 123
        Character Literals 124
        Screen Operations 124
        Space Characters 126
       Unsigned Output 127
        Display Contents of Address 128
        Vocabulary 129
        Exercises 129
Chapter 7 Control Structures 131
        Logical Values 133
       Comparison Operations 133
        Logical Operations 138
        DO Loop 142
        IF Statement 149
       EXIT and LEAVE Operations 151
        Indefinite Loops 151
        Vocabulary 162
        Exercises 163
Chapter fl Double Precision 165
        Representation 167
        Arithmetic Operations 169
        Stack Manipulation 171
        Mathematical Functions 175
       Comparison Operations 177
       Mixed-Manitude Operations 180
       Terminal Operations 183
       Constants and Variables 184
       Memory Operations 185
       Vocabulary 188
       Exercises 189
Chapter 9» Information Management 191
       Memory Organization 193
       Allocation 193
       Disk Input and Output 194
       Prosfram Management 195
       Keyboard Operations 197
       Character Movement 199
       Output Formatting and Conversion 203
       Vocabulary 206
       Exercises 207
References 209
Answers 213
Index 223